REU student -Amari Lewis P.H.D student- Aidean Sharghi June 6th 2014

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REU student -Amari Lewis P.H.D student- Aidean Sharghi June 6th 2014 Week 3- REU student -Amari Lewis P.H.D student- Aidean Sharghi June 6th 2014

Scale-invariant Representation of Light Field Images for Object Recognition EPFEDL Understanding previous work Studied the buildings on their campus-Switzerland Studied the methods Tried to access their code (dataset)

Implementation of codes using matlab

Task1: study the available light field toolbox for matlab This toolbox was capable with the lytro light field camera, and the raw 3D images Camera calibration, image rectification, colour correction and visualization of lfI See if any of the features would be useful toward the project Lytro software- prospective shifts

Task2: code in matlab extracting the EPI of images (in a simple way)

The output epipolar plane image (EPI) for when y=0 Zoomed in, notice the horizontal lines that will be observing for object recognition

Task3: code in matlab to be able to go through the folders of the dataset and extract the EPI for each image when x is fixed (x=0), and y is fixed (y=0).

EPI when x=0 for bike1

EPI when y=0 bike1

Task4 completing dataset Using the lytro desktop- save the perspective shifts of the image (stack.lfp) Lytro viewer/meltdown software- save each different view separately Each image folder: has its own data (excel) X and Y images separate for EPI extraction